mlx-bun library API
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    interface ConversationRow {
        chunked_at: number | null;
        conv: string;
        source: string;
        title: string;
        updated_at: number;
    }
    Index
    chunked_at: number | null
    conv: string

    Stable conv id: first 8 hex of the session UUID (the conv:HASH citation).

    source: string
    title: string
    updated_at: number